Cap assembly for a roller bottle



FIG. 1 is a top perspective view of the cap assembly for a roller bottle of the present invention;

FIG. 2 is a bottom perspective showing of the cap assembly of FIG. 1; and,

FIG. 3 is a cross-sectional showing of the cap assembly of FIG. 1. 

The ornamental design for a cap assembly for a roller bottle, substantially as shown and described. 